19898688

素因数分解:

$2^6\times 3^1\times {\mathrm{61}}^1\times {\mathrm{1699}}^1$

素因数の和:1775

約数の個数: 56

約数和(自身を含む): 53543200

約数和(自身を除く): 33644512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 183, 192, 244, 366, 488, 732, 976, 1464, 1699, 1952, 2928, 3398, 3904, 5097, 5856, 6796, 10194, 11712, 13592, 20388, 27184, 40776, 54368, 81552, 103639, 108736, 163104, 207278, 310917, 326208, 414556, 621834, 829112, 1243668, 1658224, 2487336, 3316448, 4974672, 6632896, 9949344, 19898688]

約数ペア:

[(1, 19898688), (2, 9949344), (3, 6632896), (4, 4974672), (6, 3316448), (8, 2487336), (12, 1658224), (16, 1243668), (24, 829112), (32, 621834), (48, 414556), (61, 326208), (64, 310917), (96, 207278), (122, 163104), (183, 108736), (192, 103639), (244, 81552), (366, 54368), (488, 40776), (732, 27184), (976, 20388), (1464, 13592), (1699, 11712), (1952, 10194), (2928, 6796), (3398, 5856), (3904, 5097)]