19543485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 35997696

約数和(自身を除く): 16454211

約数列:

[1, 3, 5, 13, 15, 31, 39, 53, 61, 65, 93, 155, 159, 183, 195, 265, 305, 403, 465, 689, 793, 795, 915, 1209, 1643, 1891, 2015, 2067, 2379, 3233, 3445, 3965, 4929, 5673, 6045, 8215, 9455, 9699, 10335, 11895, 16165, 21359, 24583, 24645, 28365, 42029, 48495, 64077, 73749, 100223, 106795, 122915, 126087, 210145, 300669, 320385, 368745, 501115, 630435, 1302899, 1503345, 3908697, 6514495, 19543485]

約数ペア:

[(1, 19543485), (3, 6514495), (5, 3908697), (13, 1503345), (15, 1302899), (31, 630435), (39, 501115), (53, 368745), (61, 320385), (65, 300669), (93, 210145), (155, 126087), (159, 122915), (183, 106795), (195, 100223), (265, 73749), (305, 64077), (403, 48495), (465, 42029), (689, 28365), (793, 24645), (795, 24583), (915, 21359), (1209, 16165), (1643, 11895), (1891, 10335), (2015, 9699), (2067, 9455), (2379, 8215), (3233, 6045), (3445, 5673), (3965, 4929)]