18863460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1361}}^1$

素因数の和:1394

約数の個数: 144

約数和(自身を含む): 71390592

約数和(自身を除く): 52527132

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1361, 1386, 1540, 1980, 2310, 2722, 2772, 3465, 4083, 4620, 5444, 6805, 6930, 8166, 9527, 12249, 13610, 13860, 14971, 16332, 19054, 20415, 24498, 27220, 28581, 29942, 38108, 40830, 44913, 47635, 48996, 57162, 59884, 61245, 74855, 81660, 85743, 89826, 95270, 104797, 114324, 122490, 134739, 142905, 149710, 171486, 179652, 190540, 209594, 224565, 244980, 269478, 285810, 299420, 314391, 342972, 419188, 428715, 449130, 523985, 538956, 571620, 628782, 673695, 857430, 898260, 943173, 1047970, 1257564, 1347390, 1571955, 1714860, 1886346, 2095940, 2694780, 3143910, 3772692, 4715865, 6287820, 9431730, 18863460]

約数ペア:

[(1, 18863460), (2, 9431730), (3, 6287820), (4, 4715865), (5, 3772692), (6, 3143910), (7, 2694780), (9, 2095940), (10, 1886346), (11, 1714860), (12, 1571955), (14, 1347390), (15, 1257564), (18, 1047970), (20, 943173), (21, 898260), (22, 857430), (28, 673695), (30, 628782), (33, 571620), (35, 538956), (36, 523985), (42, 449130), (44, 428715), (45, 419188), (55, 342972), (60, 314391), (63, 299420), (66, 285810), (70, 269478), (77, 244980), (84, 224565), (90, 209594), (99, 190540), (105, 179652), (110, 171486), (126, 149710), (132, 142905), (140, 134739), (154, 122490), (165, 114324), (180, 104797), (198, 95270), (210, 89826), (220, 85743), (231, 81660), (252, 74855), (308, 61245), (315, 59884), (330, 57162), (385, 48996), (396, 47635), (420, 44913), (462, 40830), (495, 38108), (630, 29942), (660, 28581), (693, 27220), (770, 24498), (924, 20415), (990, 19054), (1155, 16332), (1260, 14971), (1361, 13860), (1386, 13610), (1540, 12249), (1980, 9527), (2310, 8166), (2722, 6930), (2772, 6805), (3465, 5444), (4083, 4620)]