19804860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2341}}^1$

素因数の和:2403

約数の個数: 72

約数和(自身を含む): 61379136

約数和(自身を除く): 41574276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2341, 2820, 4230, 4682, 7023, 8460, 9364, 11705, 14046, 21069, 23410, 28092, 35115, 42138, 46820, 70230, 84276, 105345, 110027, 140460, 210690, 220054, 330081, 421380, 440108, 550135, 660162, 990243, 1100270, 1320324, 1650405, 1980486, 2200540, 3300810, 3960972, 4951215, 6601620, 9902430, 19804860]

約数ペア:

[(1, 19804860), (2, 9902430), (3, 6601620), (4, 4951215), (5, 3960972), (6, 3300810), (9, 2200540), (10, 1980486), (12, 1650405), (15, 1320324), (18, 1100270), (20, 990243), (30, 660162), (36, 550135), (45, 440108), (47, 421380), (60, 330081), (90, 220054), (94, 210690), (141, 140460), (180, 110027), (188, 105345), (235, 84276), (282, 70230), (423, 46820), (470, 42138), (564, 35115), (705, 28092), (846, 23410), (940, 21069), (1410, 14046), (1692, 11705), (2115, 9364), (2341, 8460), (2820, 7023), (4230, 4682)]