19011720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1741}}^1$

素因数の和:1775

約数の個数: 128

約数和(自身を含む): 70237440

約数和(自身を除く): 51225720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1741, 1820, 2184, 2730, 3482, 3640, 5223, 5460, 6964, 8705, 10446, 10920, 12187, 13928, 17410, 20892, 22633, 24374, 26115, 34820, 36561, 41784, 45266, 48748, 52230, 60935, 67899, 69640, 73122, 90532, 97496, 104460, 113165, 121870, 135798, 146244, 158431, 181064, 182805, 208920, 226330, 243740, 271596, 292488, 316862, 339495, 365610, 452660, 475293, 487480, 543192, 633724, 678990, 731220, 792155, 905320, 950586, 1267448, 1357980, 1462440, 1584310, 1901172, 2376465, 2715960, 3168620, 3802344, 4752930, 6337240, 9505860, 19011720]

約数ペア:

[(1, 19011720), (2, 9505860), (3, 6337240), (4, 4752930), (5, 3802344), (6, 3168620), (7, 2715960), (8, 2376465), (10, 1901172), (12, 1584310), (13, 1462440), (14, 1357980), (15, 1267448), (20, 950586), (21, 905320), (24, 792155), (26, 731220), (28, 678990), (30, 633724), (35, 543192), (39, 487480), (40, 475293), (42, 452660), (52, 365610), (56, 339495), (60, 316862), (65, 292488), (70, 271596), (78, 243740), (84, 226330), (91, 208920), (104, 182805), (105, 181064), (120, 158431), (130, 146244), (140, 135798), (156, 121870), (168, 113165), (182, 104460), (195, 97496), (210, 90532), (260, 73122), (273, 69640), (280, 67899), (312, 60935), (364, 52230), (390, 48748), (420, 45266), (455, 41784), (520, 36561), (546, 34820), (728, 26115), (780, 24374), (840, 22633), (910, 20892), (1092, 17410), (1365, 13928), (1560, 12187), (1741, 10920), (1820, 10446), (2184, 8705), (2730, 6964), (3482, 5460), (3640, 5223)]