18773820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 43968132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 113, 117, 130, 142, 156, 180, 195, 213, 226, 234, 260, 284, 339, 355, 390, 426, 452, 468, 565, 585, 639, 678, 710, 780, 852, 923, 1017, 1065, 1130, 1170, 1278, 1356, 1420, 1469, 1695, 1846, 2034, 2130, 2260, 2340, 2556, 2769, 2938, 3195, 3390, 3692, 4068, 4260, 4407, 4615, 5085, 5538, 5876, 6390, 6780, 7345, 8023, 8307, 8814, 9230, 10170, 11076, 12780, 13221, 13845, 14690, 16046, 16614, 17628, 18460, 20340, 22035, 24069, 26442, 27690, 29380, 32092, 33228, 40115, 41535, 44070, 48138, 52884, 55380, 66105, 72207, 80230, 83070, 88140, 96276, 104299, 120345, 132210, 144414, 160460, 166140, 208598, 240690, 264420, 288828, 312897, 361035, 417196, 481380, 521495, 625794, 722070, 938691, 1042990, 1251588, 1444140, 1564485, 1877382, 2085980, 3128970, 3754764, 4693455, 6257940, 9386910, 18773820]

約数ペア:

[(1, 18773820), (2, 9386910), (3, 6257940), (4, 4693455), (5, 3754764), (6, 3128970), (9, 2085980), (10, 1877382), (12, 1564485), (13, 1444140), (15, 1251588), (18, 1042990), (20, 938691), (26, 722070), (30, 625794), (36, 521495), (39, 481380), (45, 417196), (52, 361035), (60, 312897), (65, 288828), (71, 264420), (78, 240690), (90, 208598), (113, 166140), (117, 160460), (130, 144414), (142, 132210), (156, 120345), (180, 104299), (195, 96276), (213, 88140), (226, 83070), (234, 80230), (260, 72207), (284, 66105), (339, 55380), (355, 52884), (390, 48138), (426, 44070), (452, 41535), (468, 40115), (565, 33228), (585, 32092), (639, 29380), (678, 27690), (710, 26442), (780, 24069), (852, 22035), (923, 20340), (1017, 18460), (1065, 17628), (1130, 16614), (1170, 16046), (1278, 14690), (1356, 13845), (1420, 13221), (1469, 12780), (1695, 11076), (1846, 10170), (2034, 9230), (2130, 8814), (2260, 8307), (2340, 8023), (2556, 7345), (2769, 6780), (2938, 6390), (3195, 5876), (3390, 5538), (3692, 5085), (4068, 4615), (4260, 4407)]