19903050

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 96

約数和(自身を含む): 57317760

約数和(自身を除く): 37414710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 50, 54, 69, 75, 90, 115, 135, 138, 150, 207, 225, 230, 270, 345, 414, 450, 575, 621, 641, 675, 690, 1035, 1150, 1242, 1282, 1350, 1725, 1923, 2070, 3105, 3205, 3450, 3846, 5175, 5769, 6210, 6410, 9615, 10350, 11538, 14743, 15525, 16025, 17307, 19230, 28845, 29486, 31050, 32050, 34614, 44229, 48075, 57690, 73715, 86535, 88458, 96150, 132687, 144225, 147430, 173070, 221145, 265374, 288450, 368575, 398061, 432675, 442290, 663435, 737150, 796122, 865350, 1105725, 1326870, 1990305, 2211450, 3317175, 3980610, 6634350, 9951525, 19903050]

約数ペア:

[(1, 19903050), (2, 9951525), (3, 6634350), (5, 3980610), (6, 3317175), (9, 2211450), (10, 1990305), (15, 1326870), (18, 1105725), (23, 865350), (25, 796122), (27, 737150), (30, 663435), (45, 442290), (46, 432675), (50, 398061), (54, 368575), (69, 288450), (75, 265374), (90, 221145), (115, 173070), (135, 147430), (138, 144225), (150, 132687), (207, 96150), (225, 88458), (230, 86535), (270, 73715), (345, 57690), (414, 48075), (450, 44229), (575, 34614), (621, 32050), (641, 31050), (675, 29486), (690, 28845), (1035, 19230), (1150, 17307), (1242, 16025), (1282, 15525), (1350, 14743), (1725, 11538), (1923, 10350), (2070, 9615), (3105, 6410), (3205, 6210), (3450, 5769), (3846, 5175)]