19386663075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{74471}}^1$

素因数の和:74589

約数の個数: 72

約数和(自身を含む): 37815392160

約数和(自身を除く): 18428729085

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 89, 117, 195, 225, 267, 325, 445, 585, 801, 975, 1157, 1335, 2225, 2925, 3471, 4005, 5785, 6675, 10413, 17355, 20025, 28925, 52065, 74471, 86775, 223413, 260325, 372355, 670239, 968123, 1117065, 1861775, 2904369, 3351195, 4840615, 5585325, 6627919, 8713107, 14521845, 16755975, 19883757, 24203075, 33139595, 43565535, 59651271, 72609225, 86162947, 99418785, 165697975, 217827675, 258488841, 298256355, 430814735, 497093925, 775466523, 1292444205, 1491281775, 2154073675, 3877332615, 6462221025, 19386663075]

約数ペア:

[(1, 19386663075), (3, 6462221025), (5, 3877332615), (9, 2154073675), (13, 1491281775), (15, 1292444205), (25, 775466523), (39, 497093925), (45, 430814735), (65, 298256355), (75, 258488841), (89, 217827675), (117, 165697975), (195, 99418785), (225, 86162947), (267, 72609225), (325, 59651271), (445, 43565535), (585, 33139595), (801, 24203075), (975, 19883757), (1157, 16755975), (1335, 14521845), (2225, 8713107), (2925, 6627919), (3471, 5585325), (4005, 4840615), (5785, 3351195), (6675, 2904369), (10413, 1861775), (17355, 1117065), (20025, 968123), (28925, 670239), (52065, 372355), (74471, 260325), (86775, 223413)]