18696420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{3847}}^1$

素因数の和:3871

約数の個数: 72

約数和(自身を含む): 58828224

約数和(自身を除く): 40131804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 3847, 4860, 7694, 11541, 15388, 19235, 23082, 34623, 38470, 46164, 57705, 69246, 76940, 103869, 115410, 138492, 173115, 207738, 230820, 311607, 346230, 415476, 519345, 623214, 692460, 934821, 1038690, 1246428, 1558035, 1869642, 2077380, 3116070, 3739284, 4674105, 6232140, 9348210, 18696420]

約数ペア:

[(1, 18696420), (2, 9348210), (3, 6232140), (4, 4674105), (5, 3739284), (6, 3116070), (9, 2077380), (10, 1869642), (12, 1558035), (15, 1246428), (18, 1038690), (20, 934821), (27, 692460), (30, 623214), (36, 519345), (45, 415476), (54, 346230), (60, 311607), (81, 230820), (90, 207738), (108, 173115), (135, 138492), (162, 115410), (180, 103869), (243, 76940), (270, 69246), (324, 57705), (405, 46164), (486, 38470), (540, 34623), (810, 23082), (972, 19235), (1215, 15388), (1620, 11541), (2430, 7694), (3847, 4860)]