18481300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 43122240

約数和(自身を除く): 24640940

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 137, 142, 190, 274, 284, 355, 380, 475, 548, 685, 710, 950, 1349, 1370, 1420, 1775, 1900, 2603, 2698, 2740, 3425, 3550, 5206, 5396, 6745, 6850, 7100, 9727, 10412, 13015, 13490, 13700, 19454, 26030, 26980, 33725, 38908, 48635, 52060, 65075, 67450, 97270, 130150, 134900, 184813, 194540, 243175, 260300, 369626, 486350, 739252, 924065, 972700, 1848130, 3696260, 4620325, 9240650, 18481300]

約数ペア:

[(1, 18481300), (2, 9240650), (4, 4620325), (5, 3696260), (10, 1848130), (19, 972700), (20, 924065), (25, 739252), (38, 486350), (50, 369626), (71, 260300), (76, 243175), (95, 194540), (100, 184813), (137, 134900), (142, 130150), (190, 97270), (274, 67450), (284, 65075), (355, 52060), (380, 48635), (475, 38908), (548, 33725), (685, 26980), (710, 26030), (950, 19454), (1349, 13700), (1370, 13490), (1420, 13015), (1775, 10412), (1900, 9727), (2603, 7100), (2698, 6850), (2740, 6745), (3425, 5396), (3550, 5206)]