19001585780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1\times {\mathrm{2089}}^1$

素因数の和:3009

約数の個数: 96

約数和(自身を含む): 43684945920

約数和(自身を除く): 24683360140

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 863, 1054, 1726, 2089, 2108, 2635, 3452, 4178, 4315, 5270, 8356, 8630, 10445, 10540, 14671, 17260, 20890, 26753, 29342, 35513, 41780, 53506, 58684, 64759, 71026, 73355, 107012, 129518, 133765, 142052, 146710, 177565, 259036, 267530, 293420, 323795, 355130, 454801, 535060, 647590, 710260, 909602, 1100903, 1295180, 1802807, 1819204, 2201806, 2274005, 3605614, 4403612, 4548010, 5504515, 7211228, 9014035, 9096020, 11009030, 18028070, 22018060, 30647719, 36056140, 55887017, 61295438, 111774034, 122590876, 153238595, 223548068, 279435085, 306477190, 558870170, 612954380, 950079289, 1117740340, 1900158578, 3800317156, 4750396445, 9500792890, 19001585780]

約数ペア:

[(1, 19001585780), (2, 9500792890), (4, 4750396445), (5, 3800317156), (10, 1900158578), (17, 1117740340), (20, 950079289), (31, 612954380), (34, 558870170), (62, 306477190), (68, 279435085), (85, 223548068), (124, 153238595), (155, 122590876), (170, 111774034), (310, 61295438), (340, 55887017), (527, 36056140), (620, 30647719), (863, 22018060), (1054, 18028070), (1726, 11009030), (2089, 9096020), (2108, 9014035), (2635, 7211228), (3452, 5504515), (4178, 4548010), (4315, 4403612), (5270, 3605614), (8356, 2274005), (8630, 2201806), (10445, 1819204), (10540, 1802807), (14671, 1295180), (17260, 1100903), (20890, 909602), (26753, 710260), (29342, 647590), (35513, 535060), (41780, 454801), (53506, 355130), (58684, 323795), (64759, 293420), (71026, 267530), (73355, 259036), (107012, 177565), (129518, 146710), (133765, 142052)]