20181150

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 61746048

約数和(自身を除く): 41564898

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 27, 30, 33, 45, 50, 54, 55, 66, 75, 81, 90, 99, 110, 135, 150, 151, 162, 165, 198, 225, 243, 270, 275, 297, 302, 330, 405, 450, 453, 486, 495, 550, 594, 675, 755, 810, 825, 891, 906, 990, 1215, 1350, 1359, 1485, 1510, 1650, 1661, 1782, 2025, 2265, 2430, 2475, 2673, 2718, 2970, 3322, 3775, 4050, 4077, 4455, 4530, 4950, 4983, 5346, 6075, 6795, 7425, 7550, 8154, 8305, 8910, 9966, 11325, 12150, 12231, 13365, 13590, 14850, 14949, 16610, 20385, 22275, 22650, 24462, 24915, 26730, 29898, 33975, 36693, 40770, 41525, 44550, 44847, 49830, 61155, 66825, 67950, 73386, 74745, 83050, 89694, 101925, 122310, 124575, 133650, 134541, 149490, 183465, 203850, 224235, 249150, 269082, 305775, 366930, 373725, 403623, 448470, 611550, 672705, 747450, 807246, 917325, 1121175, 1345410, 1834650, 2018115, 2242350, 3363525, 4036230, 6727050, 10090575, 20181150]

約数ペア:

[(1, 20181150), (2, 10090575), (3, 6727050), (5, 4036230), (6, 3363525), (9, 2242350), (10, 2018115), (11, 1834650), (15, 1345410), (18, 1121175), (22, 917325), (25, 807246), (27, 747450), (30, 672705), (33, 611550), (45, 448470), (50, 403623), (54, 373725), (55, 366930), (66, 305775), (75, 269082), (81, 249150), (90, 224235), (99, 203850), (110, 183465), (135, 149490), (150, 134541), (151, 133650), (162, 124575), (165, 122310), (198, 101925), (225, 89694), (243, 83050), (270, 74745), (275, 73386), (297, 67950), (302, 66825), (330, 61155), (405, 49830), (450, 44847), (453, 44550), (486, 41525), (495, 40770), (550, 36693), (594, 33975), (675, 29898), (755, 26730), (810, 24915), (825, 24462), (891, 22650), (906, 22275), (990, 20385), (1215, 16610), (1350, 14949), (1359, 14850), (1485, 13590), (1510, 13365), (1650, 12231), (1661, 12150), (1782, 11325), (2025, 9966), (2265, 8910), (2430, 8305), (2475, 8154), (2673, 7550), (2718, 7425), (2970, 6795), (3322, 6075), (3775, 5346), (4050, 4983), (4077, 4950), (4455, 4530)]