19469450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 48746880

約数和(自身を除く): 29277430

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 35, 50, 55, 65, 70, 77, 91, 110, 130, 143, 154, 175, 182, 275, 286, 325, 350, 385, 389, 455, 550, 650, 715, 770, 778, 910, 1001, 1430, 1925, 1945, 2002, 2275, 2723, 3575, 3850, 3890, 4279, 4550, 5005, 5057, 5446, 7150, 8558, 9725, 10010, 10114, 13615, 19450, 21395, 25025, 25285, 27230, 29953, 35399, 42790, 50050, 50570, 55627, 59906, 68075, 70798, 106975, 111254, 126425, 136150, 149765, 176995, 213950, 252850, 278135, 299530, 353990, 389389, 556270, 748825, 778778, 884975, 1390675, 1497650, 1769950, 1946945, 2781350, 3893890, 9734725, 19469450]

約数ペア:

[(1, 19469450), (2, 9734725), (5, 3893890), (7, 2781350), (10, 1946945), (11, 1769950), (13, 1497650), (14, 1390675), (22, 884975), (25, 778778), (26, 748825), (35, 556270), (50, 389389), (55, 353990), (65, 299530), (70, 278135), (77, 252850), (91, 213950), (110, 176995), (130, 149765), (143, 136150), (154, 126425), (175, 111254), (182, 106975), (275, 70798), (286, 68075), (325, 59906), (350, 55627), (385, 50570), (389, 50050), (455, 42790), (550, 35399), (650, 29953), (715, 27230), (770, 25285), (778, 25025), (910, 21395), (1001, 19450), (1430, 13615), (1925, 10114), (1945, 10010), (2002, 9725), (2275, 8558), (2723, 7150), (3575, 5446), (3850, 5057), (3890, 5005), (4279, 4550)]