18703828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 40501440

約数和(自身を除く): 21797612

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 1721, 2717, 3442, 5434, 6884, 10868, 18931, 22373, 32699, 37862, 44746, 65398, 75724, 89492, 130796, 246103, 359689, 425087, 492206, 719378, 850174, 984412, 1438756, 1700348, 4675957, 9351914, 18703828]

約数ペア:

[(1, 18703828), (2, 9351914), (4, 4675957), (11, 1700348), (13, 1438756), (19, 984412), (22, 850174), (26, 719378), (38, 492206), (44, 425087), (52, 359689), (76, 246103), (143, 130796), (209, 89492), (247, 75724), (286, 65398), (418, 44746), (494, 37862), (572, 32699), (836, 22373), (988, 18931), (1721, 10868), (2717, 6884), (3442, 5434)]