19918053232

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{26203}}^1$

素因数の和:26846

約数の個数: 80

約数和(自身を含む): 48193558272

約数和(自身を除く): 28275505040

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 617, 1232, 1234, 2468, 4319, 4936, 6787, 8638, 9872, 13574, 17276, 26203, 27148, 34552, 47509, 52406, 54296, 69104, 95018, 104812, 108592, 183421, 190036, 209624, 288233, 366842, 380072, 419248, 576466, 733684, 760144, 1152932, 1467368, 2017631, 2305864, 2934736, 4035262, 4611728, 8070524, 16141048, 16167251, 32282096, 32334502, 64669004, 113170757, 129338008, 177839761, 226341514, 258676016, 355679522, 452683028, 711359044, 905366056, 1244878327, 1422718088, 1810732112, 2489756654, 2845436176, 4979513308, 9959026616, 19918053232]

約数ペア:

[(1, 19918053232), (2, 9959026616), (4, 4979513308), (7, 2845436176), (8, 2489756654), (11, 1810732112), (14, 1422718088), (16, 1244878327), (22, 905366056), (28, 711359044), (44, 452683028), (56, 355679522), (77, 258676016), (88, 226341514), (112, 177839761), (154, 129338008), (176, 113170757), (308, 64669004), (616, 32334502), (617, 32282096), (1232, 16167251), (1234, 16141048), (2468, 8070524), (4319, 4611728), (4936, 4035262), (6787, 2934736), (8638, 2305864), (9872, 2017631), (13574, 1467368), (17276, 1152932), (26203, 760144), (27148, 733684), (34552, 576466), (47509, 419248), (52406, 380072), (54296, 366842), (69104, 288233), (95018, 209624), (104812, 190036), (108592, 183421)]