19260540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8231}}^1$

素因数の和:8259

約数の個数: 72

約数和(自身を含む): 62925408

約数和(自身を除く): 43664868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8231, 16462, 24693, 32924, 41155, 49386, 74079, 82310, 98772, 107003, 123465, 148158, 164620, 214006, 246930, 296316, 321009, 370395, 428012, 493860, 535015, 642018, 740790, 963027, 1070030, 1284036, 1481580, 1605045, 1926054, 2140060, 3210090, 3852108, 4815135, 6420180, 9630270, 19260540]

約数ペア:

[(1, 19260540), (2, 9630270), (3, 6420180), (4, 4815135), (5, 3852108), (6, 3210090), (9, 2140060), (10, 1926054), (12, 1605045), (13, 1481580), (15, 1284036), (18, 1070030), (20, 963027), (26, 740790), (30, 642018), (36, 535015), (39, 493860), (45, 428012), (52, 370395), (60, 321009), (65, 296316), (78, 246930), (90, 214006), (117, 164620), (130, 148158), (156, 123465), (180, 107003), (195, 98772), (234, 82310), (260, 74079), (390, 49386), (468, 41155), (585, 32924), (780, 24693), (1170, 16462), (2340, 8231)]