18449970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 56678400

約数和(自身を除く): 38228430

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 49, 55, 66, 70, 77, 98, 105, 110, 147, 154, 163, 165, 210, 231, 245, 294, 326, 330, 343, 385, 462, 489, 490, 539, 686, 735, 770, 815, 978, 1029, 1078, 1141, 1155, 1470, 1617, 1630, 1715, 1793, 2058, 2282, 2310, 2445, 2695, 3234, 3423, 3430, 3586, 3773, 4890, 5145, 5379, 5390, 5705, 6846, 7546, 7987, 8085, 8965, 10290, 10758, 11319, 11410, 12551, 15974, 16170, 17115, 17930, 18865, 22638, 23961, 25102, 26895, 34230, 37653, 37730, 39935, 47922, 53790, 55909, 56595, 62755, 75306, 79870, 87857, 111818, 113190, 119805, 125510, 167727, 175714, 188265, 239610, 263571, 279545, 335454, 376530, 439285, 527142, 559090, 614999, 838635, 878570, 1229998, 1317855, 1677270, 1844997, 2635710, 3074995, 3689994, 6149990, 9224985, 18449970]

約数ペア:

[(1, 18449970), (2, 9224985), (3, 6149990), (5, 3689994), (6, 3074995), (7, 2635710), (10, 1844997), (11, 1677270), (14, 1317855), (15, 1229998), (21, 878570), (22, 838635), (30, 614999), (33, 559090), (35, 527142), (42, 439285), (49, 376530), (55, 335454), (66, 279545), (70, 263571), (77, 239610), (98, 188265), (105, 175714), (110, 167727), (147, 125510), (154, 119805), (163, 113190), (165, 111818), (210, 87857), (231, 79870), (245, 75306), (294, 62755), (326, 56595), (330, 55909), (343, 53790), (385, 47922), (462, 39935), (489, 37730), (490, 37653), (539, 34230), (686, 26895), (735, 25102), (770, 23961), (815, 22638), (978, 18865), (1029, 17930), (1078, 17115), (1141, 16170), (1155, 15974), (1470, 12551), (1617, 11410), (1630, 11319), (1715, 10758), (1793, 10290), (2058, 8965), (2282, 8085), (2310, 7987), (2445, 7546), (2695, 6846), (3234, 5705), (3423, 5390), (3430, 5379), (3586, 5145), (3773, 4890)]