18447420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2347}}^1$

素因数の和:2490

約数の個数: 48

約数和(自身を含む): 52069248

約数和(自身を除く): 33621828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2347, 2620, 3930, 4694, 7041, 7860, 9388, 11735, 14082, 23470, 28164, 35205, 46940, 70410, 140820, 307457, 614914, 922371, 1229828, 1537285, 1844742, 3074570, 3689484, 4611855, 6149140, 9223710, 18447420]

約数ペア:

[(1, 18447420), (2, 9223710), (3, 6149140), (4, 4611855), (5, 3689484), (6, 3074570), (10, 1844742), (12, 1537285), (15, 1229828), (20, 922371), (30, 614914), (60, 307457), (131, 140820), (262, 70410), (393, 46940), (524, 35205), (655, 28164), (786, 23470), (1310, 14082), (1572, 11735), (1965, 9388), (2347, 7860), (2620, 7041), (3930, 4694)]