19421220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3557}}^1$

素因数の和:3589

約数の個数: 96

約数和(自身を含む): 66947328

約数和(自身を除く): 47526108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3557, 5460, 7114, 10671, 14228, 17785, 21342, 24899, 35570, 42684, 46241, 49798, 53355, 71140, 74697, 92482, 99596, 106710, 124495, 138723, 149394, 184964, 213420, 231205, 248990, 277446, 298788, 323687, 373485, 462410, 497980, 554892, 647374, 693615, 746970, 924820, 971061, 1294748, 1387230, 1493940, 1618435, 1942122, 2774460, 3236870, 3884244, 4855305, 6473740, 9710610, 19421220]

約数ペア:

[(1, 19421220), (2, 9710610), (3, 6473740), (4, 4855305), (5, 3884244), (6, 3236870), (7, 2774460), (10, 1942122), (12, 1618435), (13, 1493940), (14, 1387230), (15, 1294748), (20, 971061), (21, 924820), (26, 746970), (28, 693615), (30, 647374), (35, 554892), (39, 497980), (42, 462410), (52, 373485), (60, 323687), (65, 298788), (70, 277446), (78, 248990), (84, 231205), (91, 213420), (105, 184964), (130, 149394), (140, 138723), (156, 124495), (182, 106710), (195, 99596), (210, 92482), (260, 74697), (273, 71140), (364, 53355), (390, 49798), (420, 46241), (455, 42684), (546, 35570), (780, 24899), (910, 21342), (1092, 17785), (1365, 14228), (1820, 10671), (2730, 7114), (3557, 5460)]