18933180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:819

約数の個数: 96

約数和(自身を含む): 61662720

約数和(自身を除く): 42729540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 739, 854, 915, 1220, 1281, 1478, 1708, 1830, 2135, 2217, 2562, 2956, 3660, 3695, 4270, 4434, 5124, 5173, 6405, 7390, 8540, 8868, 10346, 11085, 12810, 14780, 15519, 20692, 22170, 25620, 25865, 31038, 44340, 45079, 51730, 62076, 77595, 90158, 103460, 135237, 155190, 180316, 225395, 270474, 310380, 315553, 450790, 540948, 631106, 676185, 901580, 946659, 1262212, 1352370, 1577765, 1893318, 2704740, 3155530, 3786636, 4733295, 6311060, 9466590, 18933180]

約数ペア:

[(1, 18933180), (2, 9466590), (3, 6311060), (4, 4733295), (5, 3786636), (6, 3155530), (7, 2704740), (10, 1893318), (12, 1577765), (14, 1352370), (15, 1262212), (20, 946659), (21, 901580), (28, 676185), (30, 631106), (35, 540948), (42, 450790), (60, 315553), (61, 310380), (70, 270474), (84, 225395), (105, 180316), (122, 155190), (140, 135237), (183, 103460), (210, 90158), (244, 77595), (305, 62076), (366, 51730), (420, 45079), (427, 44340), (610, 31038), (732, 25865), (739, 25620), (854, 22170), (915, 20692), (1220, 15519), (1281, 14780), (1478, 12810), (1708, 11085), (1830, 10346), (2135, 8868), (2217, 8540), (2562, 7390), (2956, 6405), (3660, 5173), (3695, 5124), (4270, 4434)]