19852808220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2477}}^1\times {\mathrm{6361}}^1$

素因数の和:8860

約数の個数: 144

約数和(自身を含む): 68861677248

約数和(自身を除く): 49008869028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2477, 4954, 6361, 7431, 9908, 12385, 12722, 14862, 17339, 19083, 22293, 24770, 25444, 29724, 31805, 34678, 37155, 38166, 44527, 44586, 49540, 52017, 57249, 63610, 69356, 74310, 76332, 86695, 89054, 89172, 95415, 104034, 111465, 114498, 127220, 133581, 148620, 156051, 173390, 178108, 190830, 208068, 222635, 222930, 228996, 260085, 267162, 286245, 312102, 346780, 381660, 400743, 445270, 445860, 520170, 534324, 572490, 624204, 667905, 780255, 801486, 890540, 1040340, 1144980, 1335810, 1560510, 1602972, 2003715, 2671620, 3121020, 4007430, 8014860, 15756197, 31512394, 47268591, 63024788, 78780985, 94537182, 110293379, 141805773, 157561970, 189074364, 220586758, 236342955, 283611546, 315123940, 330880137, 441173516, 472685910, 551466895, 567223092, 661760274, 709028865, 945371820, 992640411, 1102933790, 1323520548, 1418057730, 1654400685, 1985280822, 2205867580, 2836115460, 3308801370, 3970561644, 4963202055, 6617602740, 9926404110, 19852808220]

約数ペア:

[(1, 19852808220), (2, 9926404110), (3, 6617602740), (4, 4963202055), (5, 3970561644), (6, 3308801370), (7, 2836115460), (9, 2205867580), (10, 1985280822), (12, 1654400685), (14, 1418057730), (15, 1323520548), (18, 1102933790), (20, 992640411), (21, 945371820), (28, 709028865), (30, 661760274), (35, 567223092), (36, 551466895), (42, 472685910), (45, 441173516), (60, 330880137), (63, 315123940), (70, 283611546), (84, 236342955), (90, 220586758), (105, 189074364), (126, 157561970), (140, 141805773), (180, 110293379), (210, 94537182), (252, 78780985), (315, 63024788), (420, 47268591), (630, 31512394), (1260, 15756197), (2477, 8014860), (4954, 4007430), (6361, 3121020), (7431, 2671620), (9908, 2003715), (12385, 1602972), (12722, 1560510), (14862, 1335810), (17339, 1144980), (19083, 1040340), (22293, 890540), (24770, 801486), (25444, 780255), (29724, 667905), (31805, 624204), (34678, 572490), (37155, 534324), (38166, 520170), (44527, 445860), (44586, 445270), (49540, 400743), (52017, 381660), (57249, 346780), (63610, 312102), (69356, 286245), (74310, 267162), (76332, 260085), (86695, 228996), (89054, 222930), (89172, 222635), (95415, 208068), (104034, 190830), (111465, 178108), (114498, 173390), (127220, 156051), (133581, 148620)]