18505325880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{901819}}^1$

素因数の和:901858

約数の個数: 128

約数和(自身を含む): 64931040000

約数和(自身を除く): 46425714120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 901819, 1803638, 2705457, 3607276, 4509095, 5410914, 7214552, 8116371, 9018190, 10821828, 13527285, 16232742, 17134561, 18036380, 21643656, 24349113, 27054570, 32465484, 34269122, 36072760, 40581855, 48698226, 51403683, 54109140, 64930968, 68538244, 81163710, 85672805, 97396452, 102807366, 108218280, 121745565, 137076488, 154211049, 162327420, 171345610, 194792904, 205614732, 243491130, 257018415, 308422098, 324654840, 342691220, 411229464, 462633147, 486982260, 514036830, 616844196, 685382440, 771055245, 925266294, 973964520, 1028073660, 1233688392, 1542110490, 1850532588, 2056147320, 2313165735, 3084220980, 3701065176, 4626331470, 6168441960, 9252662940, 18505325880]

約数ペア:

[(1, 18505325880), (2, 9252662940), (3, 6168441960), (4, 4626331470), (5, 3701065176), (6, 3084220980), (8, 2313165735), (9, 2056147320), (10, 1850532588), (12, 1542110490), (15, 1233688392), (18, 1028073660), (19, 973964520), (20, 925266294), (24, 771055245), (27, 685382440), (30, 616844196), (36, 514036830), (38, 486982260), (40, 462633147), (45, 411229464), (54, 342691220), (57, 324654840), (60, 308422098), (72, 257018415), (76, 243491130), (90, 205614732), (95, 194792904), (108, 171345610), (114, 162327420), (120, 154211049), (135, 137076488), (152, 121745565), (171, 108218280), (180, 102807366), (190, 97396452), (216, 85672805), (228, 81163710), (270, 68538244), (285, 64930968), (342, 54109140), (360, 51403683), (380, 48698226), (456, 40581855), (513, 36072760), (540, 34269122), (570, 32465484), (684, 27054570), (760, 24349113), (855, 21643656), (1026, 18036380), (1080, 17134561), (1140, 16232742), (1368, 13527285), (1710, 10821828), (2052, 9018190), (2280, 8116371), (2565, 7214552), (3420, 5410914), (4104, 4509095), (5130, 3607276), (6840, 2705457), (10260, 1803638), (20520, 901819)]