19672980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17257}}^1$

素因数の和:17288

約数の個数: 48

約数和(自身を含む): 57986880

約数和(自身を除く): 38313900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17257, 34514, 51771, 69028, 86285, 103542, 172570, 207084, 258855, 327883, 345140, 517710, 655766, 983649, 1035420, 1311532, 1639415, 1967298, 3278830, 3934596, 4918245, 6557660, 9836490, 19672980]

約数ペア:

[(1, 19672980), (2, 9836490), (3, 6557660), (4, 4918245), (5, 3934596), (6, 3278830), (10, 1967298), (12, 1639415), (15, 1311532), (19, 1035420), (20, 983649), (30, 655766), (38, 517710), (57, 345140), (60, 327883), (76, 258855), (95, 207084), (114, 172570), (190, 103542), (228, 86285), (285, 69028), (380, 51771), (570, 34514), (1140, 17257)]