18648420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6343}}^1$

素因数の和:6369

約数の個数: 72

約数和(自身を含む): 60750144

約数和(自身を除く): 42101724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6343, 12686, 19029, 25372, 31715, 38058, 44401, 63430, 76116, 88802, 95145, 126860, 133203, 177604, 190290, 222005, 266406, 310807, 380580, 444010, 532812, 621614, 666015, 888020, 932421, 1243228, 1332030, 1554035, 1864842, 2664060, 3108070, 3729684, 4662105, 6216140, 9324210, 18648420]

約数ペア:

[(1, 18648420), (2, 9324210), (3, 6216140), (4, 4662105), (5, 3729684), (6, 3108070), (7, 2664060), (10, 1864842), (12, 1554035), (14, 1332030), (15, 1243228), (20, 932421), (21, 888020), (28, 666015), (30, 621614), (35, 532812), (42, 444010), (49, 380580), (60, 310807), (70, 266406), (84, 222005), (98, 190290), (105, 177604), (140, 133203), (147, 126860), (196, 95145), (210, 88802), (245, 76116), (294, 63430), (420, 44401), (490, 38058), (588, 31715), (735, 25372), (980, 19029), (1470, 12686), (2940, 6343)]