19514360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 45874080

約数和(自身を除く): 26359720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 146, 163, 164, 205, 292, 326, 328, 365, 410, 584, 652, 730, 815, 820, 1304, 1460, 1630, 1640, 2920, 2993, 3260, 5986, 6520, 6683, 11899, 11972, 13366, 14965, 23798, 23944, 26732, 29930, 33415, 47596, 53464, 59495, 59860, 66830, 95192, 118990, 119720, 133660, 237980, 267320, 475960, 487859, 975718, 1951436, 2439295, 3902872, 4878590, 9757180, 19514360]

約数ペア:

[(1, 19514360), (2, 9757180), (4, 4878590), (5, 3902872), (8, 2439295), (10, 1951436), (20, 975718), (40, 487859), (41, 475960), (73, 267320), (82, 237980), (146, 133660), (163, 119720), (164, 118990), (205, 95192), (292, 66830), (326, 59860), (328, 59495), (365, 53464), (410, 47596), (584, 33415), (652, 29930), (730, 26732), (815, 23944), (820, 23798), (1304, 14965), (1460, 13366), (1630, 11972), (1640, 11899), (2920, 6683), (2993, 6520), (3260, 5986)]