18961896

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 49017600

約数和(自身を除く): 30055704

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 79, 137, 146, 158, 219, 237, 274, 292, 316, 411, 438, 474, 548, 584, 632, 822, 876, 948, 1096, 1644, 1752, 1896, 3288, 5767, 10001, 10823, 11534, 17301, 20002, 21646, 23068, 30003, 32469, 34602, 40004, 43292, 46136, 60006, 64938, 69204, 80008, 86584, 120012, 129876, 138408, 240024, 259752, 790079, 1580158, 2370237, 3160316, 4740474, 6320632, 9480948, 18961896]

約数ペア:

[(1, 18961896), (2, 9480948), (3, 6320632), (4, 4740474), (6, 3160316), (8, 2370237), (12, 1580158), (24, 790079), (73, 259752), (79, 240024), (137, 138408), (146, 129876), (158, 120012), (219, 86584), (237, 80008), (274, 69204), (292, 64938), (316, 60006), (411, 46136), (438, 43292), (474, 40004), (548, 34602), (584, 32469), (632, 30003), (822, 23068), (876, 21646), (948, 20002), (1096, 17301), (1644, 11534), (1752, 10823), (1896, 10001), (3288, 5767)]