19460940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 58840320

約数和(自身を除く): 39379380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 114, 129, 172, 190, 215, 228, 258, 285, 380, 397, 430, 516, 570, 645, 794, 817, 860, 1140, 1191, 1290, 1588, 1634, 1985, 2382, 2451, 2580, 3268, 3970, 4085, 4764, 4902, 5955, 7543, 7940, 8170, 9804, 11910, 12255, 15086, 16340, 17071, 22629, 23820, 24510, 30172, 34142, 37715, 45258, 49020, 51213, 68284, 75430, 85355, 90516, 102426, 113145, 150860, 170710, 204852, 226290, 256065, 324349, 341420, 452580, 512130, 648698, 973047, 1024260, 1297396, 1621745, 1946094, 3243490, 3892188, 4865235, 6486980, 9730470, 19460940]

約数ペア:

[(1, 19460940), (2, 9730470), (3, 6486980), (4, 4865235), (5, 3892188), (6, 3243490), (10, 1946094), (12, 1621745), (15, 1297396), (19, 1024260), (20, 973047), (30, 648698), (38, 512130), (43, 452580), (57, 341420), (60, 324349), (76, 256065), (86, 226290), (95, 204852), (114, 170710), (129, 150860), (172, 113145), (190, 102426), (215, 90516), (228, 85355), (258, 75430), (285, 68284), (380, 51213), (397, 49020), (430, 45258), (516, 37715), (570, 34142), (645, 30172), (794, 24510), (817, 23820), (860, 22629), (1140, 17071), (1191, 16340), (1290, 15086), (1588, 12255), (1634, 11910), (1985, 9804), (2382, 8170), (2451, 7940), (2580, 7543), (3268, 5955), (3970, 4902), (4085, 4764)]