18204375

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:122

約数の個数: 80

約数和(自身を含む): 36988160

約数和(自身を除く): 18783785

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 73, 75, 95, 105, 125, 133, 175, 219, 285, 365, 375, 399, 475, 511, 525, 625, 665, 875, 1095, 1387, 1425, 1533, 1825, 1875, 1995, 2375, 2555, 2625, 3325, 4161, 4375, 5475, 6935, 7125, 7665, 9125, 9709, 9975, 11875, 12775, 13125, 16625, 20805, 27375, 29127, 34675, 35625, 38325, 45625, 48545, 49875, 63875, 83125, 104025, 136875, 145635, 173375, 191625, 242725, 249375, 319375, 520125, 728175, 866875, 958125, 1213625, 2600625, 3640875, 6068125, 18204375]

約数ペア:

[(1, 18204375), (3, 6068125), (5, 3640875), (7, 2600625), (15, 1213625), (19, 958125), (21, 866875), (25, 728175), (35, 520125), (57, 319375), (73, 249375), (75, 242725), (95, 191625), (105, 173375), (125, 145635), (133, 136875), (175, 104025), (219, 83125), (285, 63875), (365, 49875), (375, 48545), (399, 45625), (475, 38325), (511, 35625), (525, 34675), (625, 29127), (665, 27375), (875, 20805), (1095, 16625), (1387, 13125), (1425, 12775), (1533, 11875), (1825, 9975), (1875, 9709), (1995, 9125), (2375, 7665), (2555, 7125), (2625, 6935), (3325, 5475), (4161, 4375)]