18993720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1907}}^1$

素因数の和:2004

約数の個数: 64

約数和(自身を含む): 57697920

約数和(自身を除く): 38704200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1907, 1992, 2490, 3320, 3814, 4980, 5721, 7628, 9535, 9960, 11442, 15256, 19070, 22884, 28605, 38140, 45768, 57210, 76280, 114420, 158281, 228840, 316562, 474843, 633124, 791405, 949686, 1266248, 1582810, 1899372, 2374215, 3165620, 3798744, 4748430, 6331240, 9496860, 18993720]

約数ペア:

[(1, 18993720), (2, 9496860), (3, 6331240), (4, 4748430), (5, 3798744), (6, 3165620), (8, 2374215), (10, 1899372), (12, 1582810), (15, 1266248), (20, 949686), (24, 791405), (30, 633124), (40, 474843), (60, 316562), (83, 228840), (120, 158281), (166, 114420), (249, 76280), (332, 57210), (415, 45768), (498, 38140), (664, 28605), (830, 22884), (996, 19070), (1245, 15256), (1660, 11442), (1907, 9960), (1992, 9535), (2490, 7628), (3320, 5721), (3814, 4980)]