19703880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1117}}^1$

素因数の和:1148

約数の個数: 144

約数和(自身を含む): 74559420

約数和(自身を除く): 54855540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1117, 1176, 1260, 1470, 1764, 1960, 2205, 2234, 2520, 2940, 3351, 3528, 4410, 4468, 5585, 5880, 6702, 7819, 8820, 8936, 10053, 11170, 13404, 15638, 16755, 17640, 20106, 22340, 23457, 26808, 31276, 33510, 39095, 40212, 44680, 46914, 50265, 54733, 62552, 67020, 70371, 78190, 80424, 93828, 100530, 109466, 117285, 134040, 140742, 156380, 164199, 187656, 201060, 218932, 234570, 273665, 281484, 312760, 328398, 351855, 402120, 437864, 469140, 492597, 547330, 562968, 656796, 703710, 820995, 938280, 985194, 1094660, 1313592, 1407420, 1641990, 1970388, 2189320, 2462985, 2814840, 3283980, 3940776, 4925970, 6567960, 9851940, 19703880]

約数ペア:

[(1, 19703880), (2, 9851940), (3, 6567960), (4, 4925970), (5, 3940776), (6, 3283980), (7, 2814840), (8, 2462985), (9, 2189320), (10, 1970388), (12, 1641990), (14, 1407420), (15, 1313592), (18, 1094660), (20, 985194), (21, 938280), (24, 820995), (28, 703710), (30, 656796), (35, 562968), (36, 547330), (40, 492597), (42, 469140), (45, 437864), (49, 402120), (56, 351855), (60, 328398), (63, 312760), (70, 281484), (72, 273665), (84, 234570), (90, 218932), (98, 201060), (105, 187656), (120, 164199), (126, 156380), (140, 140742), (147, 134040), (168, 117285), (180, 109466), (196, 100530), (210, 93828), (245, 80424), (252, 78190), (280, 70371), (294, 67020), (315, 62552), (360, 54733), (392, 50265), (420, 46914), (441, 44680), (490, 40212), (504, 39095), (588, 33510), (630, 31276), (735, 26808), (840, 23457), (882, 22340), (980, 20106), (1117, 17640), (1176, 16755), (1260, 15638), (1470, 13404), (1764, 11170), (1960, 10053), (2205, 8936), (2234, 8820), (2520, 7819), (2940, 6702), (3351, 5880), (3528, 5585), (4410, 4468)]