19912320764

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1\times {\mathrm{19853}}^1$

素因数の和:20294

約数の個数: 48

約数和(自身を含む): 40305843648

約数和(自身を除く): 20393522884

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 317, 452, 634, 791, 1268, 1582, 2219, 3164, 4438, 8876, 19853, 35821, 39706, 71642, 79412, 138971, 143284, 250747, 277942, 501494, 555884, 1002988, 2243389, 4486778, 6293401, 8973556, 12586802, 15703723, 25173604, 31407446, 44053807, 62814892, 88107614, 176215228, 711154313, 1422308626, 2844617252, 4978080191, 9956160382, 19912320764]

約数ペア:

[(1, 19912320764), (2, 9956160382), (4, 4978080191), (7, 2844617252), (14, 1422308626), (28, 711154313), (113, 176215228), (226, 88107614), (317, 62814892), (452, 44053807), (634, 31407446), (791, 25173604), (1268, 15703723), (1582, 12586802), (2219, 8973556), (3164, 6293401), (4438, 4486778), (8876, 2243389), (19853, 1002988), (35821, 555884), (39706, 501494), (71642, 277942), (79412, 250747), (138971, 143284)]