19151340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 59195136

約数和(自身を除く): 40043796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 571, 645, 780, 860, 1118, 1142, 1290, 1677, 1713, 2236, 2284, 2580, 2795, 2855, 3354, 3426, 5590, 5710, 6708, 6852, 7423, 8385, 8565, 11180, 11420, 14846, 16770, 17130, 22269, 24553, 29692, 33540, 34260, 37115, 44538, 49106, 73659, 74230, 89076, 98212, 111345, 122765, 147318, 148460, 222690, 245530, 294636, 319189, 368295, 445380, 491060, 638378, 736590, 957567, 1276756, 1473180, 1595945, 1915134, 3191890, 3830268, 4787835, 6383780, 9575670, 19151340]

約数ペア:

[(1, 19151340), (2, 9575670), (3, 6383780), (4, 4787835), (5, 3830268), (6, 3191890), (10, 1915134), (12, 1595945), (13, 1473180), (15, 1276756), (20, 957567), (26, 736590), (30, 638378), (39, 491060), (43, 445380), (52, 368295), (60, 319189), (65, 294636), (78, 245530), (86, 222690), (129, 148460), (130, 147318), (156, 122765), (172, 111345), (195, 98212), (215, 89076), (258, 74230), (260, 73659), (390, 49106), (430, 44538), (516, 37115), (559, 34260), (571, 33540), (645, 29692), (780, 24553), (860, 22269), (1118, 17130), (1142, 16770), (1290, 14846), (1677, 11420), (1713, 11180), (2236, 8565), (2284, 8385), (2580, 7423), (2795, 6852), (2855, 6708), (3354, 5710), (3426, 5590)]