18636720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 62734080

約数和(自身を除く): 44097360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 61, 67, 76, 80, 95, 114, 120, 122, 134, 152, 183, 190, 201, 228, 240, 244, 268, 285, 304, 305, 335, 366, 380, 402, 456, 488, 536, 570, 610, 670, 732, 760, 804, 912, 915, 976, 1005, 1072, 1140, 1159, 1220, 1273, 1340, 1464, 1520, 1608, 1830, 2010, 2280, 2318, 2440, 2546, 2680, 2928, 3216, 3477, 3660, 3819, 4020, 4087, 4560, 4636, 4880, 5092, 5360, 5795, 6365, 6954, 7320, 7638, 8040, 8174, 9272, 10184, 11590, 12261, 12730, 13908, 14640, 15276, 16080, 16348, 17385, 18544, 19095, 20368, 20435, 23180, 24522, 25460, 27816, 30552, 32696, 34770, 38190, 40870, 46360, 49044, 50920, 55632, 61104, 61305, 65392, 69540, 76380, 77653, 81740, 92720, 98088, 101840, 122610, 139080, 152760, 155306, 163480, 196176, 232959, 245220, 278160, 305520, 310612, 326960, 388265, 465918, 490440, 621224, 776530, 931836, 980880, 1164795, 1242448, 1553060, 1863672, 2329590, 3106120, 3727344, 4659180, 6212240, 9318360, 18636720]

約数ペア:

[(1, 18636720), (2, 9318360), (3, 6212240), (4, 4659180), (5, 3727344), (6, 3106120), (8, 2329590), (10, 1863672), (12, 1553060), (15, 1242448), (16, 1164795), (19, 980880), (20, 931836), (24, 776530), (30, 621224), (38, 490440), (40, 465918), (48, 388265), (57, 326960), (60, 310612), (61, 305520), (67, 278160), (76, 245220), (80, 232959), (95, 196176), (114, 163480), (120, 155306), (122, 152760), (134, 139080), (152, 122610), (183, 101840), (190, 98088), (201, 92720), (228, 81740), (240, 77653), (244, 76380), (268, 69540), (285, 65392), (304, 61305), (305, 61104), (335, 55632), (366, 50920), (380, 49044), (402, 46360), (456, 40870), (488, 38190), (536, 34770), (570, 32696), (610, 30552), (670, 27816), (732, 25460), (760, 24522), (804, 23180), (912, 20435), (915, 20368), (976, 19095), (1005, 18544), (1072, 17385), (1140, 16348), (1159, 16080), (1220, 15276), (1273, 14640), (1340, 13908), (1464, 12730), (1520, 12261), (1608, 11590), (1830, 10184), (2010, 9272), (2280, 8174), (2318, 8040), (2440, 7638), (2546, 7320), (2680, 6954), (2928, 6365), (3216, 5795), (3477, 5360), (3660, 5092), (3819, 4880), (4020, 4636), (4087, 4560)]