19740532

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 43666560

約数和(自身を除く): 23926028

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 49, 58, 92, 98, 116, 151, 161, 196, 203, 302, 322, 406, 604, 644, 667, 812, 1057, 1127, 1334, 1421, 2114, 2254, 2668, 2842, 3473, 4228, 4379, 4508, 4669, 5684, 6946, 7399, 8758, 9338, 13892, 14798, 17516, 18676, 24311, 29596, 30653, 32683, 48622, 61306, 65366, 97244, 100717, 122612, 130732, 170177, 201434, 214571, 340354, 402868, 429142, 680708, 705019, 858284, 1410038, 2820076, 4935133, 9870266, 19740532]

約数ペア:

[(1, 19740532), (2, 9870266), (4, 4935133), (7, 2820076), (14, 1410038), (23, 858284), (28, 705019), (29, 680708), (46, 429142), (49, 402868), (58, 340354), (92, 214571), (98, 201434), (116, 170177), (151, 130732), (161, 122612), (196, 100717), (203, 97244), (302, 65366), (322, 61306), (406, 48622), (604, 32683), (644, 30653), (667, 29596), (812, 24311), (1057, 18676), (1127, 17516), (1334, 14798), (1421, 13892), (2114, 9338), (2254, 8758), (2668, 7399), (2842, 6946), (3473, 5684), (4228, 4669), (4379, 4508)]