19514970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7477}}^1$

素因数の和:7519

約数の個数: 48

約数和(自身を含む): 52495560

約数和(自身を除く): 32980590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7477, 14954, 22431, 37385, 44862, 67293, 74770, 112155, 134586, 216833, 224310, 336465, 433666, 650499, 672930, 1084165, 1300998, 1951497, 2168330, 3252495, 3902994, 6504990, 9757485, 19514970]

約数ペア:

[(1, 19514970), (2, 9757485), (3, 6504990), (5, 3902994), (6, 3252495), (9, 2168330), (10, 1951497), (15, 1300998), (18, 1084165), (29, 672930), (30, 650499), (45, 433666), (58, 336465), (87, 224310), (90, 216833), (145, 134586), (174, 112155), (261, 74770), (290, 67293), (435, 44862), (522, 37385), (870, 22431), (1305, 14954), (2610, 7477)]