18919410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 47184768

約数和(自身を除く): 28265358

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 73, 106, 146, 159, 163, 219, 265, 318, 326, 365, 438, 489, 530, 730, 795, 815, 978, 1095, 1590, 1630, 2190, 2445, 3869, 4890, 7738, 8639, 11607, 11899, 17278, 19345, 23214, 23798, 25917, 35697, 38690, 43195, 51834, 58035, 59495, 71394, 86390, 116070, 118990, 129585, 178485, 259170, 356970, 630647, 1261294, 1891941, 3153235, 3783882, 6306470, 9459705, 18919410]

約数ペア:

[(1, 18919410), (2, 9459705), (3, 6306470), (5, 3783882), (6, 3153235), (10, 1891941), (15, 1261294), (30, 630647), (53, 356970), (73, 259170), (106, 178485), (146, 129585), (159, 118990), (163, 116070), (219, 86390), (265, 71394), (318, 59495), (326, 58035), (365, 51834), (438, 43195), (489, 38690), (530, 35697), (730, 25917), (795, 23798), (815, 23214), (978, 19345), (1095, 17278), (1590, 11899), (1630, 11607), (2190, 8639), (2445, 7738), (3869, 4890)]