19428816

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1240

約数の個数: 80

約数和(自身を含む): 56567808

約数和(自身を除く): 37138992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1187, 1364, 1488, 2046, 2374, 2728, 3561, 4092, 4748, 5456, 7122, 8184, 9496, 13057, 14244, 16368, 18992, 26114, 28488, 36797, 39171, 52228, 56976, 73594, 78342, 104456, 110391, 147188, 156684, 208912, 220782, 294376, 313368, 404767, 441564, 588752, 626736, 809534, 883128, 1214301, 1619068, 1766256, 2428602, 3238136, 4857204, 6476272, 9714408, 19428816]

約数ペア:

[(1, 19428816), (2, 9714408), (3, 6476272), (4, 4857204), (6, 3238136), (8, 2428602), (11, 1766256), (12, 1619068), (16, 1214301), (22, 883128), (24, 809534), (31, 626736), (33, 588752), (44, 441564), (48, 404767), (62, 313368), (66, 294376), (88, 220782), (93, 208912), (124, 156684), (132, 147188), (176, 110391), (186, 104456), (248, 78342), (264, 73594), (341, 56976), (372, 52228), (496, 39171), (528, 36797), (682, 28488), (744, 26114), (1023, 18992), (1187, 16368), (1364, 14244), (1488, 13057), (2046, 9496), (2374, 8184), (2728, 7122), (3561, 5456), (4092, 4748)]