19709270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 45554400

約数和(自身を除く): 25845130

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 35, 38, 49, 58, 70, 73, 95, 98, 133, 145, 146, 190, 203, 245, 266, 290, 365, 406, 490, 511, 551, 665, 730, 931, 1015, 1022, 1102, 1330, 1387, 1421, 1862, 2030, 2117, 2555, 2755, 2774, 2842, 3577, 3857, 4234, 4655, 5110, 5510, 6935, 7105, 7154, 7714, 9310, 9709, 10585, 13870, 14210, 14819, 17885, 19285, 19418, 21170, 26999, 29638, 35770, 38570, 40223, 48545, 53998, 67963, 74095, 80446, 97090, 103733, 134995, 135926, 148190, 201115, 207466, 269990, 281561, 339815, 402230, 518665, 563122, 679630, 1037330, 1407805, 1970927, 2815610, 3941854, 9854635, 19709270]

約数ペア:

[(1, 19709270), (2, 9854635), (5, 3941854), (7, 2815610), (10, 1970927), (14, 1407805), (19, 1037330), (29, 679630), (35, 563122), (38, 518665), (49, 402230), (58, 339815), (70, 281561), (73, 269990), (95, 207466), (98, 201115), (133, 148190), (145, 135926), (146, 134995), (190, 103733), (203, 97090), (245, 80446), (266, 74095), (290, 67963), (365, 53998), (406, 48545), (490, 40223), (511, 38570), (551, 35770), (665, 29638), (730, 26999), (931, 21170), (1015, 19418), (1022, 19285), (1102, 17885), (1330, 14819), (1387, 14210), (1421, 13870), (1862, 10585), (2030, 9709), (2117, 9310), (2555, 7714), (2755, 7154), (2774, 7105), (2842, 6935), (3577, 5510), (3857, 5110), (4234, 4655)]