19515180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7933}}^1$

素因数の和:7986

約数の個数: 48

約数和(自身を含む): 55982304

約数和(自身を除く): 36467124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7933, 15866, 23799, 31732, 39665, 47598, 79330, 95196, 118995, 158660, 237990, 325253, 475980, 650506, 975759, 1301012, 1626265, 1951518, 3252530, 3903036, 4878795, 6505060, 9757590, 19515180]

約数ペア:

[(1, 19515180), (2, 9757590), (3, 6505060), (4, 4878795), (5, 3903036), (6, 3252530), (10, 1951518), (12, 1626265), (15, 1301012), (20, 975759), (30, 650506), (41, 475980), (60, 325253), (82, 237990), (123, 158660), (164, 118995), (205, 95196), (246, 79330), (410, 47598), (492, 39665), (615, 31732), (820, 23799), (1230, 15866), (2460, 7933)]