19290075

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 38591280

約数和(自身を除く): 19301205

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 49, 75, 87, 105, 145, 147, 175, 181, 203, 245, 435, 525, 543, 609, 725, 735, 905, 1015, 1225, 1267, 1421, 2175, 2715, 3045, 3675, 3801, 4263, 4525, 5075, 5249, 6335, 7105, 8869, 13575, 15225, 15747, 19005, 21315, 26245, 26607, 31675, 35525, 36743, 44345, 78735, 95025, 106575, 110229, 131225, 133035, 183715, 221725, 257201, 393675, 551145, 665175, 771603, 918575, 1286005, 2755725, 3858015, 6430025, 19290075]

約数ペア:

[(1, 19290075), (3, 6430025), (5, 3858015), (7, 2755725), (15, 1286005), (21, 918575), (25, 771603), (29, 665175), (35, 551145), (49, 393675), (75, 257201), (87, 221725), (105, 183715), (145, 133035), (147, 131225), (175, 110229), (181, 106575), (203, 95025), (245, 78735), (435, 44345), (525, 36743), (543, 35525), (609, 31675), (725, 26607), (735, 26245), (905, 21315), (1015, 19005), (1225, 15747), (1267, 15225), (1421, 13575), (2175, 8869), (2715, 7105), (3045, 6335), (3675, 5249), (3801, 5075), (4263, 4525)]