18879570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2357}}^1$

素因数の和:2459

約数の個数: 48

約数和(自身を含む): 49659480

約数和(自身を除く): 30779910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2357, 2670, 4005, 4714, 7071, 8010, 11785, 14142, 21213, 23570, 35355, 42426, 70710, 106065, 209773, 212130, 419546, 629319, 1048865, 1258638, 1887957, 2097730, 3146595, 3775914, 6293190, 9439785, 18879570]

約数ペア:

[(1, 18879570), (2, 9439785), (3, 6293190), (5, 3775914), (6, 3146595), (9, 2097730), (10, 1887957), (15, 1258638), (18, 1048865), (30, 629319), (45, 419546), (89, 212130), (90, 209773), (178, 106065), (267, 70710), (445, 42426), (534, 35355), (801, 23570), (890, 21213), (1335, 14142), (1602, 11785), (2357, 8010), (2670, 7071), (4005, 4714)]