19355940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{563}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 59125248

約数和(自身を除く): 39769308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 563, 573, 764, 955, 1126, 1146, 1689, 1719, 1910, 2252, 2292, 2815, 2865, 3378, 3438, 3820, 5067, 5630, 5730, 6756, 6876, 8445, 8595, 10134, 11260, 11460, 16890, 17190, 20268, 25335, 33780, 34380, 50670, 101340, 107533, 215066, 322599, 430132, 537665, 645198, 967797, 1075330, 1290396, 1612995, 1935594, 2150660, 3225990, 3871188, 4838985, 6451980, 9677970, 19355940]

約数ペア:

[(1, 19355940), (2, 9677970), (3, 6451980), (4, 4838985), (5, 3871188), (6, 3225990), (9, 2150660), (10, 1935594), (12, 1612995), (15, 1290396), (18, 1075330), (20, 967797), (30, 645198), (36, 537665), (45, 430132), (60, 322599), (90, 215066), (180, 107533), (191, 101340), (382, 50670), (563, 34380), (573, 33780), (764, 25335), (955, 20268), (1126, 17190), (1146, 16890), (1689, 11460), (1719, 11260), (1910, 10134), (2252, 8595), (2292, 8445), (2815, 6876), (2865, 6756), (3378, 5730), (3438, 5630), (3820, 5067)]