19457910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1451}}^1$

素因数の和:1613

約数の個数: 48

約数和(自身を含む): 50965200

約数和(自身を除く): 31507290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1451, 1490, 2235, 2682, 2902, 4353, 4470, 6705, 7255, 8706, 13059, 13410, 14510, 21765, 26118, 43530, 65295, 130590, 216199, 432398, 648597, 1080995, 1297194, 1945791, 2161990, 3242985, 3891582, 6485970, 9728955, 19457910]

約数ペア:

[(1, 19457910), (2, 9728955), (3, 6485970), (5, 3891582), (6, 3242985), (9, 2161990), (10, 1945791), (15, 1297194), (18, 1080995), (30, 648597), (45, 432398), (90, 216199), (149, 130590), (298, 65295), (447, 43530), (745, 26118), (894, 21765), (1341, 14510), (1451, 13410), (1490, 13059), (2235, 8706), (2682, 7255), (2902, 6705), (4353, 4470)]