19704360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 67495680

約数和(自身を除く): 47791320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 743, 780, 884, 1020, 1105, 1326, 1486, 1560, 1768, 2040, 2210, 2229, 2652, 2972, 3315, 3715, 4420, 4458, 5304, 5944, 6630, 7430, 8840, 8916, 9659, 11145, 12631, 13260, 14860, 17832, 19318, 22290, 25262, 26520, 28977, 29720, 37893, 38636, 44580, 48295, 50524, 57954, 63155, 75786, 77272, 89160, 96590, 101048, 115908, 126310, 144885, 151572, 164203, 189465, 193180, 231816, 252620, 289770, 303144, 328406, 378930, 386360, 492609, 505240, 579540, 656812, 757860, 821015, 985218, 1159080, 1313624, 1515720, 1642030, 1970436, 2463045, 3284060, 3940872, 4926090, 6568120, 9852180, 19704360]

約数ペア:

[(1, 19704360), (2, 9852180), (3, 6568120), (4, 4926090), (5, 3940872), (6, 3284060), (8, 2463045), (10, 1970436), (12, 1642030), (13, 1515720), (15, 1313624), (17, 1159080), (20, 985218), (24, 821015), (26, 757860), (30, 656812), (34, 579540), (39, 505240), (40, 492609), (51, 386360), (52, 378930), (60, 328406), (65, 303144), (68, 289770), (78, 252620), (85, 231816), (102, 193180), (104, 189465), (120, 164203), (130, 151572), (136, 144885), (156, 126310), (170, 115908), (195, 101048), (204, 96590), (221, 89160), (255, 77272), (260, 75786), (312, 63155), (340, 57954), (390, 50524), (408, 48295), (442, 44580), (510, 38636), (520, 37893), (663, 29720), (680, 28977), (743, 26520), (780, 25262), (884, 22290), (1020, 19318), (1105, 17832), (1326, 14860), (1486, 13260), (1560, 12631), (1768, 11145), (2040, 9659), (2210, 8916), (2229, 8840), (2652, 7430), (2972, 6630), (3315, 5944), (3715, 5304), (4420, 4458)]