19298790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10211}}^1$

素因数の和:10234

約数の個数: 64

約数和(自身を含む): 58821120

約数和(自身を除く): 39522330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10211, 20422, 30633, 51055, 61266, 71477, 91899, 102110, 142954, 153165, 183798, 214431, 275697, 306330, 357385, 428862, 459495, 551394, 643293, 714770, 918990, 1072155, 1286586, 1378485, 1929879, 2144310, 2756970, 3216465, 3859758, 6432930, 9649395, 19298790]

約数ペア:

[(1, 19298790), (2, 9649395), (3, 6432930), (5, 3859758), (6, 3216465), (7, 2756970), (9, 2144310), (10, 1929879), (14, 1378485), (15, 1286586), (18, 1072155), (21, 918990), (27, 714770), (30, 643293), (35, 551394), (42, 459495), (45, 428862), (54, 357385), (63, 306330), (70, 275697), (90, 214431), (105, 183798), (126, 153165), (135, 142954), (189, 102110), (210, 91899), (270, 71477), (315, 61266), (378, 51055), (630, 30633), (945, 20422), (1890, 10211)]