18795420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2131}}^1$

素因数の和:2160

約数の個数: 108

約数和(自身を含む): 66352104

約数和(自身を除く): 47556684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2131, 2205, 2940, 4262, 4410, 6393, 8524, 8820, 10655, 12786, 14917, 19179, 21310, 25572, 29834, 31965, 38358, 42620, 44751, 59668, 63930, 74585, 76716, 89502, 95895, 104419, 127860, 134253, 149170, 179004, 191790, 208838, 223755, 268506, 298340, 313257, 383580, 417676, 447510, 522095, 537012, 626514, 671265, 895020, 939771, 1044190, 1253028, 1342530, 1566285, 1879542, 2088380, 2685060, 3132570, 3759084, 4698855, 6265140, 9397710, 18795420]

約数ペア:

[(1, 18795420), (2, 9397710), (3, 6265140), (4, 4698855), (5, 3759084), (6, 3132570), (7, 2685060), (9, 2088380), (10, 1879542), (12, 1566285), (14, 1342530), (15, 1253028), (18, 1044190), (20, 939771), (21, 895020), (28, 671265), (30, 626514), (35, 537012), (36, 522095), (42, 447510), (45, 417676), (49, 383580), (60, 313257), (63, 298340), (70, 268506), (84, 223755), (90, 208838), (98, 191790), (105, 179004), (126, 149170), (140, 134253), (147, 127860), (180, 104419), (196, 95895), (210, 89502), (245, 76716), (252, 74585), (294, 63930), (315, 59668), (420, 44751), (441, 42620), (490, 38358), (588, 31965), (630, 29834), (735, 25572), (882, 21310), (980, 19179), (1260, 14917), (1470, 12786), (1764, 10655), (2131, 8820), (2205, 8524), (2940, 6393), (4262, 4410)]