19291265128

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1\times {\mathrm{3079}}^1$

素因数の和:3530

約数の個数: 64

約数和(自身を含む): 37878825600

約数和(自身を除く): 18587560472

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 347, 488, 694, 1388, 2257, 2776, 3079, 4514, 6158, 9028, 12316, 12839, 18056, 21167, 24632, 25678, 42334, 51356, 84668, 102712, 113923, 169336, 187819, 227846, 375638, 455692, 751276, 783179, 911384, 1068413, 1502552, 1566358, 2136826, 3132716, 4273652, 6265432, 6949303, 8547304, 13898606, 27797212, 39531281, 55594424, 65173193, 79062562, 130346386, 158125124, 260692772, 316250248, 521385544, 2411408141, 4822816282, 9645632564, 19291265128]

約数ペア:

[(1, 19291265128), (2, 9645632564), (4, 4822816282), (8, 2411408141), (37, 521385544), (61, 316250248), (74, 260692772), (122, 158125124), (148, 130346386), (244, 79062562), (296, 65173193), (347, 55594424), (488, 39531281), (694, 27797212), (1388, 13898606), (2257, 8547304), (2776, 6949303), (3079, 6265432), (4514, 4273652), (6158, 3132716), (9028, 2136826), (12316, 1566358), (12839, 1502552), (18056, 1068413), (21167, 911384), (24632, 783179), (25678, 751276), (42334, 455692), (51356, 375638), (84668, 227846), (102712, 187819), (113923, 169336)]