18819900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1901}}^1$

素因数の和:1932

約数の個数: 108

約数和(自身を含む): 64386504

約数和(自身を除く): 45566604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1901, 1980, 2475, 3300, 3802, 4950, 5703, 7604, 9505, 9900, 11406, 17109, 19010, 20911, 22812, 28515, 34218, 38020, 41822, 47525, 57030, 62733, 68436, 83644, 85545, 95050, 104555, 114060, 125466, 142575, 171090, 188199, 190100, 209110, 250932, 285150, 313665, 342180, 376398, 418220, 427725, 522775, 570300, 627330, 752796, 855450, 940995, 1045550, 1254660, 1568325, 1710900, 1881990, 2091100, 3136650, 3763980, 4704975, 6273300, 9409950, 18819900]

約数ペア:

[(1, 18819900), (2, 9409950), (3, 6273300), (4, 4704975), (5, 3763980), (6, 3136650), (9, 2091100), (10, 1881990), (11, 1710900), (12, 1568325), (15, 1254660), (18, 1045550), (20, 940995), (22, 855450), (25, 752796), (30, 627330), (33, 570300), (36, 522775), (44, 427725), (45, 418220), (50, 376398), (55, 342180), (60, 313665), (66, 285150), (75, 250932), (90, 209110), (99, 190100), (100, 188199), (110, 171090), (132, 142575), (150, 125466), (165, 114060), (180, 104555), (198, 95050), (220, 85545), (225, 83644), (275, 68436), (300, 62733), (330, 57030), (396, 47525), (450, 41822), (495, 38020), (550, 34218), (660, 28515), (825, 22812), (900, 20911), (990, 19010), (1100, 17109), (1650, 11406), (1901, 9900), (1980, 9505), (2475, 7604), (3300, 5703), (3802, 4950)]