1915295456

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 4051555200

約数和(自身を除く): 2136259744

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 131, 139, 152, 173, 262, 278, 304, 346, 524, 556, 608, 692, 1048, 1112, 1384, 2096, 2224, 2489, 2641, 2768, 3287, 4192, 4448, 4978, 5282, 5536, 6574, 9956, 10564, 13148, 18209, 19912, 21128, 22663, 24047, 26296, 36418, 39824, 42256, 45326, 48094, 52592, 72836, 79648, 84512, 90652, 96188, 105184, 145672, 181304, 192376, 291344, 345971, 362608, 384752, 430597, 456893, 582688, 691942, 725216, 769504, 861194, 913786, 1383884, 1722388, 1827572, 2767768, 3150157, 3444776, 3655144, 5535536, 6300314, 6889552, 7310288, 11071072, 12600628, 13779104, 14620576, 25201256, 50402512, 59852983, 100805024, 119705966, 239411932, 478823864, 957647728, 1915295456]

約数ペア:

[(1, 1915295456), (2, 957647728), (4, 478823864), (8, 239411932), (16, 119705966), (19, 100805024), (32, 59852983), (38, 50402512), (76, 25201256), (131, 14620576), (139, 13779104), (152, 12600628), (173, 11071072), (262, 7310288), (278, 6889552), (304, 6300314), (346, 5535536), (524, 3655144), (556, 3444776), (608, 3150157), (692, 2767768), (1048, 1827572), (1112, 1722388), (1384, 1383884), (2096, 913786), (2224, 861194), (2489, 769504), (2641, 725216), (2768, 691942), (3287, 582688), (4192, 456893), (4448, 430597), (4978, 384752), (5282, 362608), (5536, 345971), (6574, 291344), (9956, 192376), (10564, 181304), (13148, 145672), (18209, 105184), (19912, 96188), (21128, 90652), (22663, 84512), (24047, 79648), (26296, 72836), (36418, 52592), (39824, 48094), (42256, 45326)]