19721000238

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{4027}}^1$

素因数の和:4409

約数の個数: 64

約数和(自身を含む): 41261156352

約数和(自身を除く): 21540156114

約数列:

[1, 2, 3, 6, 31, 62, 93, 113, 186, 226, 233, 339, 466, 678, 699, 1398, 3503, 4027, 7006, 7223, 8054, 10509, 12081, 14446, 21018, 21669, 24162, 26329, 43338, 52658, 78987, 124837, 157974, 249674, 374511, 455051, 749022, 816199, 910102, 938291, 1365153, 1632398, 1876582, 2448597, 2730306, 2814873, 4897194, 5629746, 14106581, 28213162, 29087021, 42319743, 58174042, 84639486, 87261063, 106026883, 174522126, 212053766, 318080649, 636161298, 3286833373, 6573666746, 9860500119, 19721000238]

約数ペア:

[(1, 19721000238), (2, 9860500119), (3, 6573666746), (6, 3286833373), (31, 636161298), (62, 318080649), (93, 212053766), (113, 174522126), (186, 106026883), (226, 87261063), (233, 84639486), (339, 58174042), (466, 42319743), (678, 29087021), (699, 28213162), (1398, 14106581), (3503, 5629746), (4027, 4897194), (7006, 2814873), (7223, 2730306), (8054, 2448597), (10509, 1876582), (12081, 1632398), (14446, 1365153), (21018, 938291), (21669, 910102), (24162, 816199), (26329, 749022), (43338, 455051), (52658, 374511), (78987, 249674), (124837, 157974)]