19372275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 38591280

約数和(自身を除く): 19219005

約数列:

[1, 3, 5, 9, 13, 15, 25, 37, 39, 45, 65, 75, 111, 117, 179, 185, 195, 225, 325, 333, 481, 537, 555, 585, 895, 925, 975, 1443, 1611, 1665, 2327, 2405, 2685, 2775, 2925, 4329, 4475, 6623, 6981, 7215, 8055, 8325, 11635, 12025, 13425, 19869, 20943, 21645, 33115, 34905, 36075, 40275, 58175, 59607, 86099, 99345, 104715, 108225, 165575, 174525, 258297, 298035, 430495, 496725, 523575, 774891, 1291485, 1490175, 2152475, 3874455, 6457425, 19372275]

約数ペア:

[(1, 19372275), (3, 6457425), (5, 3874455), (9, 2152475), (13, 1490175), (15, 1291485), (25, 774891), (37, 523575), (39, 496725), (45, 430495), (65, 298035), (75, 258297), (111, 174525), (117, 165575), (179, 108225), (185, 104715), (195, 99345), (225, 86099), (325, 59607), (333, 58175), (481, 40275), (537, 36075), (555, 34905), (585, 33115), (895, 21645), (925, 20943), (975, 19869), (1443, 13425), (1611, 12025), (1665, 11635), (2327, 8325), (2405, 8055), (2685, 7215), (2775, 6981), (2925, 6623), (4329, 4475)]